67628701075 has 24 divisors (see below), whose sum is σ = 93424489200. Its totient is φ = 48219077760.

The previous prime is 67628701073. The next prime is 67628701087. The reversal of 67628701075 is 57010782676.

It is a happy number.

It is not a de Polignac number, because 67628701075 - 2¹ = 67628701073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67628701073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3578305 + ... + 3597154.

It is an arithmetic number, because the mean of its divisors is an integer number (3892687050).

Almost surely, 2^67628701075 is an apocalyptic number.

67628701075 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

67628701075 is a deficient number, since it is larger than the sum of its proper divisors (25795788125).

67628701075 is a wasteful number, since it uses less digits than its factorization.

67628701075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7175511 (or 7175506 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 49.

The spelling of 67628701075 in words is "sixty-seven billion, six hundred twenty-eight million, seven hundred one thousand, seventy-five".